<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
    <script src="https://cdn.jsdelivr.net/npm/vue@2/dist/vue.js"></script>
</head>
<body>

<div id="app">
    {{message}}
</div>

<div id="app2">
    <span v-bind:title="message">
    鼠标悬停几秒钟查看此处动态绑定的提示信息！
</span>
</div>

<div id="app-3">
    <p v-if="seen">现在你看到我了</p>
</div>

<div id="app-4">
    <ol>
        <li v-for="todo in todos">
            {{todo.text}}
        </li>
    </ol>
</div>

<div id="app-5">
    <p>{{message}}</p>
    <button v-on:click="reverseMessage">反转消息</button>
</div>

<div id="app-6">
    <p>{{message}}</p>
    <input v-model="message">
</div>


<script>
    var app = new Vue({
        el: '#app',
        data: {
            message: 'Hello Vue!'
        }
    });

    var app2 = new Vue({
        el: '#app2',
        data: {
            message: '页面加载于' + new Date().toLocaleString()
        }
    });

    var app3 = new Vue({
        el: '#app-3',
        data: {
            seen: true
        }
    });

    var app4 = new Vue({
        el: '#app-4',
        data: {
            todos: [
                {text: "学习 JavaScript"},
                {text: "学习 vue"},
                {text: "学习前后端分离"}
            ]
        }
    });

    var app5 = new Vue({
        el: '#app-5',
        data: {
            message: "Hello Vue.js!"
        },
        methods: {
            reverseMessage: function () {
                this.message = this.message.split('').reverse().join('')
            }
        }
    });

    var app6 = new Vue({
        el: '#app-6',
        data: {
            message: 'Hello Vue!'
        }
    });
</script>
</body>
</html>